List of Special Days and International Days in May around the World.
International Day
Date
May Day, International Workers’ Day
May 1
World Press Freedom Day
May 3
International Firefighters’ Day, Star Wars Day
May 4
International Midwives Day
May 5
World Red Cross and Red Crescent Day
May 8
Time of Remembrance and Reconciliation for Those Who Lost Their Lives during the Second World War
May 8–9
Europe Day
May 9
International Migratory Bird Day
May 10
International Nurses Day
May 12
International Day of Families
May 15
World Telecommunication and Information Society Day
May 17
International Day Against Homophobia and Transphobia
May 17
World AIDS Vaccine Day
May 18
International AIDS Candlelight Memorial
May 18
International Museum Day
May 18
World Day for Cultural Diversity for Dialogue and Development
May 21
International Day for Biological Diversity
May 22
Geek Pride Day, Towel Day
May 25
International Day of UN Peacekeepers
May 29
World No-Tobacco Day
May 31
World Asthma Day
May 1st Tue in May
World Laughter Day
May 1st Sunday in May
World Fair Trade Day
May 2nd Sat in May
Mother’s Day
May 2nd Sun in May
Vesak
May Full moon in May
World Migratory Bird Day
May A weekend in May